When did momondo last update prices for flights from Houston to Islip Long Island Airport?

Prices for flights from Houston to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Houston to Islip Long Island Airport?

There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Houston to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$90 Cheap Flights from Houston to Islip in 2026

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Find the cheapest flights from Houston to New York

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8:18 pm - 11:10 am

IAH

ISP

37h 52m

2 stops

3:34 pm - 7:04 pm

ISP

IAH

28h 30m

1 stop

$194Multiple Airlines

seg, fev 23 - seg, mar 2

2:01 pm - 9:13 am

IAH

ISP

18h 12m

1 stop

4:07 pm - 6:04 pm

ISP

IAH

26h 57m

1 stop

$215Frontier

sáb, abr 18 - dom, abr 19

9:40 pm - 11:10 am

IAH

ISP

36h 30m

2 stops

2:31 pm - 11:51 am

ISP

IAH

22h 20m

1 stop

$320Multiple Airlines

seg, mar 9 - seg, mar 23

7:00 am - 4:25 pm

HOU

ISP

8h 25m

2 stops

4:05 pm - 9:20 pm

ISP

HOU

6h 15m

1 stop

$370Southwest

seg, fev 23 - seg, mar 2

7:00 am - 4:25 pm

HOU

ISP

8h 25m

2 stops

5:55 am - 1:20 pm

ISP

HOU

8h 25m

2 stops

$375Southwest

seg, fev 23 - seg, mar 2

9:40 pm - 8:47 am

IAH

ISP

10h 07m

1 stop

10:58 am - 8:08 pm

ISP

IAH

10h 10m

1 stop

$406Multiple Airlines

seg, mar 9 - seg, mar 23

8:18 pm - 7:48 am

IAH

ISP

10h 30m

1 stop

8:01 pm - 7:00 am

ISP

IAH

11h 59m

1 stop

$409Frontier

sáb, fev 14 - dom, fev 15

2:25 pm - 10:20 pm

HOU

ISP

6h 55m

1 stop

4:05 pm - 9:20 pm

ISP

HOU

6h 15m

1 stop

$422Southwest

seg, fev 23 - seg, mar 2

9:16 am - 11:14 am

IAH

ISP

24h 58m

2 stops

11:50 am - 11:51 am

ISP

IAH

25h 01m

1 stop

$457Multiple Airlines

seg, mar 9 - sáb, mar 14

6:05 am - 2:35 pm

HOU

ISP

7h 30m

1 stop

4:05 pm - 9:20 pm

ISP

HOU

6h 15m

1 stop

$497Southwest

qua, fev 11 - dom, fev 15

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets

Southwest

Feb 23

HOU7:00 amHouston Hobby

8h 25m

2 stops

ISP4:25 pmIslip Long Island

Mar 2

ISP4:05 pmIslip Long Island

6h 15m

1 stop

HOU9:20 pmHouston Hobby

$370

Southwest

Feb 23

HOU7:00 amHouston Hobby

8h 25m

2 stops

ISP4:25 pmIslip Long Island

Mar 2

ISP5:55 amIslip Long Island

8h 25m

2 stops

HOU1:20 pmHouston Hobby

$375

Southwest

Feb 23

HOU2:25 pmHouston Hobby

6h 55m

1 stop

ISP10:20 pmIslip Long Island

Mar 2

ISP4:05 pmIslip Long Island

6h 15m

1 stop

HOU9:20 pmHouston Hobby

$422

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets

Frontier

Apr 18

IAH2:01 pmHouston George Bush Intcntl

18h 12m

1 stop

ISP9:13 amIslip Long Island

Apr 19

ISP4:07 pmIslip Long Island

26h 57m

1 stop

IAH6:04 pmHouston George Bush Intcntl

$215

Frontier

Feb 6

IAH11:08 amHouston George Bush Intcntl

6h 30m

1 stop

ISP6:38 pmIslip Long Island

Feb 8

ISP9:25 amIslip Long Island

8h 55m

1 stop

IAH5:20 pmHouston George Bush Intcntl

$290

Frontier

Feb 6

IAH11:08 amHouston George Bush Intcntl

6h 30m

1 stop

ISP6:38 pmIslip Long Island

Feb 8

ISP9:25 amIslip Long Island

8h 55m

1 stop

IAH5:20 pmHouston George Bush Intcntl

$345

Fly from

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Depart

Return

Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

seg 2/23

8:18 pm-11:10 am

2 stops37h 52m

Islip Long Island

seg 3/2

3:34 pm-7:04 pm

1 stop28h 30m

$194

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

sáb 4/18

2:01 pm-9:13 am

1 stop18h 12m

Islip Long Island

dom 4/19

4:07 pm-6:04 pm

1 stop26h 57m

$215

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

seg 3/9

9:40 pm-11:10 am

2 stops36h 30m

Islip Long Island

seg 3/23

2:31 pm-11:51 am

1 stop22h 20m

$320

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

seg 2/23

7:00 am-4:25 pm

2 stops8h 25m

Islip Long Island

seg 3/2

4:05 pm-9:20 pm

1 stop6h 15m

$370

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

seg 2/23

7:00 am-4:25 pm

2 stops8h 25m

Islip Long Island

seg 3/2

5:55 am-1:20 pm

2 stops8h 25m

$375

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

seg 3/9

9:40 pm-8:47 am

1 stop10h 07m

Islip Long Island

seg 3/23

10:58 am-8:08 pm

1 stop10h 10m

$406

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

sáb 2/14

8:18 pm-7:48 am

1 stop10h 30m

Islip Long Island

dom 2/15

8:01 pm-7:00 am

1 stop11h 59m

$409

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

seg 2/23

2:25 pm-10:20 pm

1 stop6h 55m

Islip Long Island

seg 3/2

4:05 pm-9:20 pm

1 stop6h 15m

$422

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

seg 3/9

9:16 am-11:14 am

2 stops24h 58m

Islip Long Island

sáb 3/14

11:50 am-11:51 am

1 stop25h 01m

$457

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

qua 2/11

6:05 am-2:35 pm

1 stop7h 30m

Islip Long Island

dom 2/15

4:05 pm-9:20 pm

1 stop6h 15m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier is the most popular carrier operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time	6h 30m
Direct flights	None

The fastest flight from Houston to Islip, New York takes 6h 30m

There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.

Search flight deals

How far is Houston to Islip Long Island by plane?
Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 6h 30m.
When did momondo last update prices for flights from Houston to Islip Long Island Airport?
Prices for flights from Houston to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Houston to Islip Long Island Airport?
There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Houston to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $336	Free Cancellation	Rating 8.0 4,267 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.